英文關鍵字
granddaughter
grandfather
phone
teaching
using
showing
family
modern
technology
mobile
man
senior
home
two
people
girl
grandchild
old
elderly
together
smartphone
happy
grandparent
internet
smiling
communication
mature
woman
slow
motion
female
young
adult
caucasian
male
bearded
pensioner
retirement
love
grandpa
bonding
indoor
sitting
learning
online
education
cheerful
cyberspace
low
angle
view
closeup
lifestyle
generation
gray
hair